lock pixels in image when bitmap is immutable and not-lazy

src/image/SkSurface_Raster.cpp

Index: src/image/SkSurface_Raster.cpp
diff --git a/src/image/SkSurface_Raster.cpp b/src/image/SkSurface_Raster.cpp
index d0a65530f071568d18a0e85b95afbb1ad4caa0ba..bcf6da7d1820b1230d94db8071aeeab8c4299dd1 100644
--- a/src/image/SkSurface_Raster.cpp
+++ b/src/image/SkSurface_Raster.cpp
@@ -128,7 +128,7 @@ SkImage* SkSurface_Raster::onNewImageSnapshot(Budgeted) {
     }
     // Our pixels are in memory, so read access on the snapshot SkImage could be cheap.
     // Lock the shared pixel ref to ensure peekPixels() is usable.
-    return SkNewImageFromRasterBitmap(fBitmap, &this->props(), kLocked_SharedPixelRefMode,
+    return SkNewImageFromRasterBitmap(fBitmap, &this->props(),
                                       fWeOwnThePixels ? kNo_ForceCopyMode : kYes_ForceCopyMode);
 }